//000
// 更多优秀案例js
	
	var img3_wrapper_items_box_ul=document.getElementsByClassName("wrapper_items_box_ul")[0];
	var img3_b_prev=document.getElementsByClassName("b_left")[0];
	var img3_b_right=document.getElementsByClassName("b_right")[0];
	img3_b_prev.onclick=img3_b_prev_bt;
	img3_b_right.onclick=b_next_bt;
	var wrapper_ul_left=0;
	function img3_b_prev_bt(){
		if(img3_wrapper_items_box_ul.style.left=="0%"){
			return;
		}
		wrapper_ul_left+=25;
		img3_wrapper_items_box_ul.style.left=wrapper_ul_left+"%";
		if(img3_wrapper_items_box_ul.style.left=="0%"){
			img3_b_right.style.cursor="pointer";
			img3_b_prev.style.cursor="no-drop";
			return;
		}
	}
	function b_next_bt(){
		if(img3_wrapper_items_box_ul.style.left=="-50%"){
			return;
		}
		wrapper_ul_left-=25;
		img3_wrapper_items_box_ul.style.left=wrapper_ul_left+"%";
		if(img3_wrapper_items_box_ul.style.left=="-50%"){
			img3_b_prev.style.cursor="pointer";
			img3_b_right.style.cursor="no-drop";
		}
	}
// 更多优秀案例js 结束